Calendar leaf



FIG. 1 is a front elevation view of a calendar leaf showing my new design; and,

FIG. 2 is an inverted rear elevation view thereof.

The stipple shading in the drawing indicates color contrasts.

The calendar leaf is flat and of conventional thickness.

The broken line showing of text in FIGS. 1 and 2 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a calendar leaf, as shown and described. 